04. Post-pollination : Structures and Events
Sexual Reproduction in Flowering Plants

262764 In coconut, the liquid endosperm is formed because:

1 karyokinesis is not followed by cytokinesis
2 karyokinesis is followed by cytokinesis
3 formation of liquid endosperm is not dependent upon karyokinesis and cytokinesis
4 None of the above
Sexual Reproduction in Flowering Plants

262766 Identify the correct order of events in pollenpistil interaction from the options given below:
I. Release of male gametes into the embryo sac.
II. Deposition of pollen grains on stigma.
III. Entry of pollen tube into embryo sac.
IV. Development of pollen tube
V. Entry of pollen tube into the Ovule.

1 IV \(\rightarrow\) III \(\rightarrow\) II \(\rightarrow\) I \(\rightarrow\) V
2 II \(\rightarrow\) IV \(\rightarrow\) V \(\rightarrow\) III \(\rightarrow\) I
3 II \(\rightarrow\) IV \(\rightarrow\) III \(\rightarrow\) V \(\rightarrow\) I
4 \(\mathrm{V} \rightarrow\) IV \(\rightarrow\) III \(\rightarrow\) II \(\rightarrow\) I
Sexual Reproduction in Flowering Plants

262767 Nucellus forms which of the following part of fruit?

1 Seed coat
2 Perisperm
3 Seed
4 Raphe
Sexual Reproduction in Flowering Plants

262769 Entry of pollen tube into the ovule through chalaza was first discovered by Treub in a xerophyte. This plant is associated with a pair of character given below.
(i) Unisexual flowers
(ii) Sessile flowers
(iii) Centripetal arrangement of flowers
(iv) Bisexual flowers
The correct pair is:

1 ii, iii
2 iii, iv
3 ii, iv
4 i, ii
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Sexual Reproduction in Flowering Plants

262764 In coconut, the liquid endosperm is formed because:

1 karyokinesis is not followed by cytokinesis
2 karyokinesis is followed by cytokinesis
3 formation of liquid endosperm is not dependent upon karyokinesis and cytokinesis
4 None of the above
Sexual Reproduction in Flowering Plants

262766 Identify the correct order of events in pollenpistil interaction from the options given below:
I. Release of male gametes into the embryo sac.
II. Deposition of pollen grains on stigma.
III. Entry of pollen tube into embryo sac.
IV. Development of pollen tube
V. Entry of pollen tube into the Ovule.

1 IV \(\rightarrow\) III \(\rightarrow\) II \(\rightarrow\) I \(\rightarrow\) V
2 II \(\rightarrow\) IV \(\rightarrow\) V \(\rightarrow\) III \(\rightarrow\) I
3 II \(\rightarrow\) IV \(\rightarrow\) III \(\rightarrow\) V \(\rightarrow\) I
4 \(\mathrm{V} \rightarrow\) IV \(\rightarrow\) III \(\rightarrow\) II \(\rightarrow\) I
Sexual Reproduction in Flowering Plants

262767 Nucellus forms which of the following part of fruit?

1 Seed coat
2 Perisperm
3 Seed
4 Raphe
Sexual Reproduction in Flowering Plants

262769 Entry of pollen tube into the ovule through chalaza was first discovered by Treub in a xerophyte. This plant is associated with a pair of character given below.
(i) Unisexual flowers
(ii) Sessile flowers
(iii) Centripetal arrangement of flowers
(iv) Bisexual flowers
The correct pair is:

1 ii, iii
2 iii, iv
3 ii, iv
4 i, ii
Sexual Reproduction in Flowering Plants

262764 In coconut, the liquid endosperm is formed because:

1 karyokinesis is not followed by cytokinesis
2 karyokinesis is followed by cytokinesis
3 formation of liquid endosperm is not dependent upon karyokinesis and cytokinesis
4 None of the above
Sexual Reproduction in Flowering Plants

262766 Identify the correct order of events in pollenpistil interaction from the options given below:
I. Release of male gametes into the embryo sac.
II. Deposition of pollen grains on stigma.
III. Entry of pollen tube into embryo sac.
IV. Development of pollen tube
V. Entry of pollen tube into the Ovule.

1 IV \(\rightarrow\) III \(\rightarrow\) II \(\rightarrow\) I \(\rightarrow\) V
2 II \(\rightarrow\) IV \(\rightarrow\) V \(\rightarrow\) III \(\rightarrow\) I
3 II \(\rightarrow\) IV \(\rightarrow\) III \(\rightarrow\) V \(\rightarrow\) I
4 \(\mathrm{V} \rightarrow\) IV \(\rightarrow\) III \(\rightarrow\) II \(\rightarrow\) I
Sexual Reproduction in Flowering Plants

262767 Nucellus forms which of the following part of fruit?

1 Seed coat
2 Perisperm
3 Seed
4 Raphe
Sexual Reproduction in Flowering Plants

262769 Entry of pollen tube into the ovule through chalaza was first discovered by Treub in a xerophyte. This plant is associated with a pair of character given below.
(i) Unisexual flowers
(ii) Sessile flowers
(iii) Centripetal arrangement of flowers
(iv) Bisexual flowers
The correct pair is:

1 ii, iii
2 iii, iv
3 ii, iv
4 i, ii
Sexual Reproduction in Flowering Plants

262764 In coconut, the liquid endosperm is formed because:

1 karyokinesis is not followed by cytokinesis
2 karyokinesis is followed by cytokinesis
3 formation of liquid endosperm is not dependent upon karyokinesis and cytokinesis
4 None of the above
Sexual Reproduction in Flowering Plants

262766 Identify the correct order of events in pollenpistil interaction from the options given below:
I. Release of male gametes into the embryo sac.
II. Deposition of pollen grains on stigma.
III. Entry of pollen tube into embryo sac.
IV. Development of pollen tube
V. Entry of pollen tube into the Ovule.

1 IV \(\rightarrow\) III \(\rightarrow\) II \(\rightarrow\) I \(\rightarrow\) V
2 II \(\rightarrow\) IV \(\rightarrow\) V \(\rightarrow\) III \(\rightarrow\) I
3 II \(\rightarrow\) IV \(\rightarrow\) III \(\rightarrow\) V \(\rightarrow\) I
4 \(\mathrm{V} \rightarrow\) IV \(\rightarrow\) III \(\rightarrow\) II \(\rightarrow\) I
Sexual Reproduction in Flowering Plants

262767 Nucellus forms which of the following part of fruit?

1 Seed coat
2 Perisperm
3 Seed
4 Raphe
Sexual Reproduction in Flowering Plants

262769 Entry of pollen tube into the ovule through chalaza was first discovered by Treub in a xerophyte. This plant is associated with a pair of character given below.
(i) Unisexual flowers
(ii) Sessile flowers
(iii) Centripetal arrangement of flowers
(iv) Bisexual flowers
The correct pair is:

1 ii, iii
2 iii, iv
3 ii, iv
4 i, ii
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here